What should be the speed with which a ball is to be thrown horizontally from the top of a 200 m high building, so that it hits the ground at a distance 50 m from the building.
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A: Given,m = 504 kgr1 = 10.0 mr2 = 15.0 mvA = 19.8 ms
Q: A roller-coaster car has a mass of 502 kg when fully loaded with passengers. The path of the coaster…
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Q: object is thrown upward with a speed of 17.7 m/s on the surface of planet X where the acceleration…
A: Initial velocity (u) = 17.7 m/s Acceleration due to gravity on planet X ( g )= 2.5 m/s2
Here we have use some basic formula.
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- Find the minimum initial speed of a projectile in order for it to reach a height of 2145 km above the surface of the earthA roller-coaster car has a mass of 511 kg when fully loaded with passengers. The path of the coaster from its initial point shown in the figure to point B involves only up-and-down motion (as seen by the riders), with no motion to the left or right. Assume the roller-coaster tracks at points O and B are parts of vertical circles of radius r, = 10.0 m and r, = 15.0 m, respectively. (a) If the vehicle has a speed of 20.3 m/s at point O, what is the force exerted by the track on the car at this point? (b) What is the maximum speed the vehicle can have at ® and still remain on the track? m/sAn object is thrown upward with a speed of 16.3 m/s on the surface of planet X where the acceleration due to gravity is 1.8 m/s. What is the maximum height reached by the object? Answer: Check
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